CN110294513A - A kind of closed centrifugal sedimentation separator of fine slag and method - Google Patents
A kind of closed centrifugal sedimentation separator of fine slag and method Download PDFInfo
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- CN110294513A CN110294513A CN201910609865.0A CN201910609865A CN110294513A CN 110294513 A CN110294513 A CN 110294513A CN 201910609865 A CN201910609865 A CN 201910609865A CN 110294513 A CN110294513 A CN 110294513A
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- centrifugal sedimentation
- fine slag
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- sedimentation separator
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
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- Environmental & Geological Engineering (AREA)
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- Centrifugal Separators (AREA)
Abstract
The invention discloses a kind of closed centrifugal sedimentation separator of fine slag and methods, Heisui River first make a gift to someone adjuster carry out the preliminary homogenization of liquid-solid phase, the temperature in Heisui River is down to 40~45 DEG C subsequently into heat collector, again successively after the processing of distributor and solid-liquid adjuster, it is sent into centrifugal sedimentation separator and carries out centrifugal treating, to obtain fine slag and buck；The fine slag is sent into transport vehicle by closed transmission belt, or is re-fed into gasification furnace by coal-making system and raw coal blending and recycles.The present invention can be realized fine slag and efficiently separate, and whole system is made to meet energy-saving and environmental protection, safe requirement.
Description
Technical field
The present invention relates to gasification furnace fine slag separation technology field more particularly to a kind of closed centrifugal sedimentation separators of fine slag
With method.
Background technique
Coal gasification refers to that coal reacts under certain temperature and pressure with oxygen, vapor, generates the process of raw gas.Raw gas
It is sent to next workshop section again after needing to remove the dust of its entrainment by water washing.Currently, the Heisui River that washing raw gas generates is big
Part be by being concentrated, precipitating step by step, after isolating fine slag with vacuum band-type filter machine, return system reuse.
In the prior art, gasification furnace fine slag separation is generally used belt vacuum filter, but the fine slag separating technology
The prior art has at least the following problems:
(1) equipment is more, takes up a large area；
(2) evaporating, emitting, dripping or leaking of liquid or gas is serious, frequency of maintenance is high, maintenance large labor intensity, maintenance cost height；
(3) water consume is high；
(4) filter cloth wears replacement frequency height, high production cost, large labor intensity；
(5) open-sky technique, so that entire workshop is flooded with sewage steam, wet and slippery everywhere, sanitary condition is poor, especially the winter
It freezes serious, and inconvenient, there is security risks；
(6) fine slag moisture content is high, and secondary conveying heap infiltration and environmental requirement is not achieved.
Summary of the invention
For above-mentioned shortcoming in the prior art, the present invention provides a kind of closed centrifugal sedimentation separators of fine slag
With method, it can be realized fine slag and efficiently separate, and whole system is made to meet energy-saving and environmental protection, safe requirement.
The purpose of the present invention is what is be achieved through the following technical solutions:
A kind of closed centrifugal sedimentation separator of fine slag, comprising: adjuster, heat collector, distributor, solid-liquid adjuster, from
Heart sedimentation separation machine, closed transmission belt and grey water tank；The discharge port of adjuster is connected to the feed inlet of heat collector, and heat collector goes out
Material mouth is connected to the feed inlet of distributor, and the discharge port of distributor is connected to the feed inlet of solid-liquid adjuster, solid-liquid adjuster
Discharge port is connected to the feed inlet of centrifugal sedimentation separator, the first discharge port of centrifugal sedimentation separator and closed transmission belt into
Material mouth connection, the second discharge port of centrifugal sedimentation separator are connected to grey water tank.
Preferably, the first discharge port of centrifugal sedimentation separator is also connected to the feed inlet of coal-making system, coal-making system
Discharge port is connected to gasification furnace.
Preferably, charging of the second discharge port of centrifugal sedimentation separator also with the feed inlet of adjuster and solid-liquid adjuster
Mouth connection.
Preferably, the entirety of the closed centrifugal sedimentation separator of the fine slag is in closed structure.
A kind of closed centrifugal sedimentation separation method of fine slag, using the above-mentioned closed centrifugal sedimentation separator of fine slag；Heisui River
Adjuster of first making a gift to someone carries out the preliminary homogenization of liquid-solid phase, and the temperature in Heisui River is down to 40~45 DEG C subsequently into heat collector, then
It successively after the processing of distributor and solid-liquid adjuster, is sent into centrifugal sedimentation separator and carries out centrifugal treating, to obtain thin
Slag and buck；The fine slag is sent into transport vehicle by closed transmission belt；The buck is sent into grey water tank.
Preferably, the fine slag is re-fed into gasification furnace recycling by coal-making system and raw coal blending.
Preferably, the buck is recycled back to adjuster and solid-liquid adjuster.
Preferably, this method whole process carries out in closed environment.
As seen from the above technical solution provided by the invention, the closed centrifugal sedimentation separation of fine slag provided by the present invention
Method is the separating technology that a whole process carries out in closed environment, after carrying out the preliminary homogenization of liquid-solid phase, first by Heisui River
Temperature be down to 40~45 DEG C, then carry out centrifugal sedimentation separating treatment, efficiently separated to realize fine slag, and make whole system
Meet the requirement of energy-saving and environmental protection, safety.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 provides the structural schematic diagram of the closed centrifugal sedimentation separator of fine slag for the embodiment of the present invention.
Specific embodiment
With reference to the attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on this
The embodiment of invention, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, belongs to protection scope of the present invention.
The closed centrifugal sedimentation separator of fine slag provided by the present invention is described in detail with method below.The present invention
The content being not described in detail in embodiment belongs to the prior art well known to professional and technical personnel in the field.
As shown in Figure 1, a kind of closed centrifugal sedimentation separator of fine slag, may include: adjuster 1, heat collector 2, distribution
Device 3, solid-liquid adjuster 4, centrifugal sedimentation separator 5, closed transmission belt 6 and grey water tank 8；The discharge port and heat collector 2 of adjuster 1
Feed inlet connection, the discharge port of heat collector 2 is connected to the feed inlet of distributor 3, the discharge port and solid-liquid adjuster of distributor 3
4 feed inlet connection, the discharge port of solid-liquid adjuster 4 are connected to the feed inlet of centrifugal sedimentation separator 5, centrifugal sedimentation separator
5 the first discharge port is connected to the feed inlet of closed transmission belt 6, and the second discharge port and grey water tank 8 of centrifugal sedimentation separator 5 connect
It is logical.First discharge port of centrifugal sedimentation separator 5 is also connected to the feed inlet of coal-making system 10, the discharge port of coal-making system 10 with
Gasification furnace 9 is connected to.Charging of second discharge port of centrifugal sedimentation separator 5 also with the feed inlet of adjuster 1 and solid-liquid adjuster 4
Mouth connection.The entirety of the closed centrifugal sedimentation separator of the fine slag is in closed structure.
Specifically, the closed centrifugal sedimentation separation method of fine slag may include: the concentration Heisui River from defecator bottom, first pass through
It pumps people's adjuster 1 and carries out the preliminary homogenization of liquid-solid phase, the temperature in Heisui River is down to 40~45 DEG C subsequently into heat collector 2,
The processing for successively passing through distributor 3 and solid-liquid adjuster 4 again, makes the feed needs for reaching centrifugal sedimentation separator 5 in Heisui River, it
It is sent into centrifugal sedimentation separator 5 afterwards and carries out centrifugal treating, to obtain fine slag and buck；The fine slag passes through closed transmission belt 6
It is sent into transport vehicle 7 and transports the external world to, or gasification furnace 9 is re-fed by coal-making system 10 and raw coal blending and is recycled.The buck
It is sent into grey water tank 8 and enters ash water system reuse, or be recycled back to adjuster 1 and solid-liquid adjuster 4.
Further, the closed centrifugal sedimentation separation method of the fine slag may include following embodiments:
(1) the closed centrifugal sedimentation separation method whole process of the fine slag carries out in closed environment.
(2) temperature≤65 DEG C of 1 entrance of adjuster, pressure 0.4MPaG.
(3) temperature of centrifugal sedimentation separator 5 is 40~45 DEG C, and pressure is 0.4~0.6MPaG.
(4) temperature of grey water tank 8 is 40 DEG C, pressure 0MPaG.
Compared with prior art, the closed centrifugal sedimentation separation method of fine slag provided by the present invention at least has following excellent
Point:
(1) present device is simple, and occupied area is small, 1/3 of whole system land occupation no more than existing system, not big
Equipment Foundations reduce construction investment.
(2) the achievable remote auto control of the present invention, operation runs smoothly, and workload very little, and it is complicated not need configuration
Control system and more operator.
(3) present invention can be continuously run, and without maintenance in operation cycle, reduce maintenance cost than the prior art.
(4) fine slag water content is lower than the prior art in the present invention, reduces water consumption, increases the water rate of recovery.
(5) compared with prior art, the present invention not needing frequently to replace filter cloth, labor intensity is reduced, production has been saved
Cost and cost of labor.
(6) present invention is closed system, changes the open type operating environment of the prior art, meets whole system easypro
Suitable, environmental protection, the requirement of safety.
(7) the closed centrifugal sedimentation slagging-off of the closed centrifugal sedimentation separation method of fine slag provided by the present invention, fine slag moisture content
Stability contorting solid content SS in 53%, buck is less than 60ppm.
To sum up, the embodiment of the present invention can be realized fine slag and efficiently separate, and make whole system meet energy-saving and environmental protection,
The requirement of safety.
In order to more clearly from show technical solution provided by the present invention and generated technical effect, below with tool
Body embodiment is provided for the embodiments of the invention the closed centrifugal sedimentation separator of fine slag and is described in detail with method.
Embodiment 1
As shown in Figure 1, a kind of closed centrifugal sedimentation separator of fine slag, separation method may include:
The concentration Heisui River of 60t/h from defecator bottom, temperature are 59 DEG C, and pressure 0.4MPaG is first pumped up people's tune
It saves device 1 and carries out the preliminary homogenization of liquid-solid phase, the temperature in Heisui River is down to 40~45 DEG C subsequently into heat collector 2, then successively pass through
The processing for crossing distributor 3 and solid-liquid adjuster 4 makes the feed needs for reaching centrifugal sedimentation separator 5 in Heisui River, be sent into later from
Heart sedimentation separation machine 5 carries out centrifugal treating, to obtain fine slag and buck；The fine slag 12.77t/ that centrifugal sedimentation separator 5 is discharged
H, moisture content 53%, the buck 47.23t/h after discharge slagging-off.The fine slag is sent into transport vehicle 7 by closed transmission belt 6 and is transported to
The external world, or gasification furnace 9 is re-fed by coal-making system 10 and raw coal blending and is recycled.The buck be sent into grey water tank 8 into
Enter ash water system reuse, or is recycled back to adjuster 1 and solid-liquid adjuster 4.
To sum up, the embodiment of the present invention can be realized fine slag and efficiently separate, and make whole system meet energy-saving and environmental protection,
The requirement of safety.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (8)
1. a kind of closed centrifugal sedimentation separator of fine slag characterized by comprising adjuster (1), heat collector (2), distributor
(3), solid-liquid adjuster (4), centrifugal sedimentation separator (5), closed transmission belt (6) and grey water tank (8)；
The discharge port of adjuster (1) is connected to the feed inlet of heat collector (2), the discharge port of heat collector (2) and distributor (3) into
Material mouth connection, the discharge port of distributor (3) is connected to the feed inlet of solid-liquid adjuster (4), the discharge port of solid-liquid adjuster (4) and
The feed inlet of centrifugal sedimentation separator (5) is connected to, the first discharge port and closed transmission belt (6) of centrifugal sedimentation separator (5)
Feed inlet connection, the second discharge port of centrifugal sedimentation separator (5) are connected to grey water tank (8).
2. the closed centrifugal sedimentation separator of fine slag according to claim 1, which is characterized in that centrifugal sedimentation separator
(5) the first discharge port is also connected to the feed inlet of coal-making system (10), and the discharge port of coal-making system (10) and gasification furnace (9) are even
It is logical.
3. the closed centrifugal sedimentation separator of fine slag according to claim 1 or 2, which is characterized in that centrifugal sedimentation separation
Second discharge port of machine (5) is also connected to the feed inlet of the feed inlet of adjuster (1) and solid-liquid adjuster (4).
4. the closed centrifugal sedimentation separator of fine slag according to claim 1 or 2, which is characterized in that the fine slag it is closed from
The entirety of heart settling separation device is in closed structure.
5. a kind of closed centrifugal sedimentation separation method of fine slag, which is characterized in that using any one of the claims 1 to 4 institute
The closed centrifugal sedimentation separator of the fine slag stated；
Heisui River first make a gift to someone adjuster (1) carry out the preliminary homogenization of liquid-solid phase, the temperature in Heisui River is dropped subsequently into heat collector (2)
To 40~45 DEG C, then successively after the processing of distributor (3) and solid-liquid adjuster (4), be sent into centrifugal sedimentation separator (5) into
Row centrifugal treating, to obtain fine slag and buck；
The fine slag is sent into transport vehicle (7) by closed transmission belt (6)；The buck is sent into grey water tank (8).
6. the closed centrifugal sedimentation separation method of fine slag according to claim 5, which is characterized in that the fine slag passes through coal processed
System (10) and raw coal blending are re-fed into gasification furnace (9) recycling.
7. the closed centrifugal sedimentation separation method of fine slag according to claim 5 or 6, which is characterized in that the buck returns
It is recycled to adjuster (1) and solid-liquid adjuster (4).
8. the closed centrifugal sedimentation separation method of fine slag according to claim 5 or 6, which is characterized in that this method whole process exists
It is carried out in closed environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609865.0A CN110294513A (en) | 2019-07-08 | 2019-07-08 | A kind of closed centrifugal sedimentation separator of fine slag and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910609865.0A CN110294513A (en) | 2019-07-08 | 2019-07-08 | A kind of closed centrifugal sedimentation separator of fine slag and method |
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| CN110294513A true CN110294513A (en) | 2019-10-01 |
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| CN201910609865.0A Pending CN110294513A (en) | 2019-07-08 | 2019-07-08 | A kind of closed centrifugal sedimentation separator of fine slag and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582406A (en) * | 2021-09-09 | 2021-11-02 | 刘现海 | Coal gasification fine slag water treatment device and process |
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| CN87206560U (en) * | 1987-04-15 | 1988-01-06 | 王雅谷 | Horizontal-spiral centrifugal solid-liquid segerating machine |
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| CN208574338U (en) * | 2018-05-02 | 2019-03-05 | 新疆天智辰业化工有限公司 | The device that the thick slag dehydration of coal gasification recycles |
| WO2019117327A1 (en) * | 2017-12-11 | 2019-06-20 | 주식회사 제주클린에너지 | System for pyrolyzing waste synthetic polymer compound so as to produce oil and producing clean fuel from oil |
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| CN87206560U (en) * | 1987-04-15 | 1988-01-06 | 王雅谷 | Horizontal-spiral centrifugal solid-liquid segerating machine |
| CN203794843U (en) * | 2014-02-24 | 2014-08-27 | 武汉凯迪工程技术研究总院有限公司 | Biomass fuel gasification ash/slag water-cooling spiral removal device |
| CN108217874A (en) * | 2016-12-21 | 2018-06-29 | 强昌凤 | A kind of Desliming method of coal gasification fine slag |
| WO2019117327A1 (en) * | 2017-12-11 | 2019-06-20 | 주식회사 제주클린에너지 | System for pyrolyzing waste synthetic polymer compound so as to produce oil and producing clean fuel from oil |
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| 李星海等: "《煤化工实训指导》", 30 April 2015, 北京理工大学出版社 * |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113582406A (en) * | 2021-09-09 | 2021-11-02 | 刘现海 | Coal gasification fine slag water treatment device and process |
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Application publication date: 20191001 |
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